Lawn Mower Spindle for Husqvarna YTH24V48 Ariens Craftsman Poulan Jonsered Murray Mandrel Assembly Replacement Part Number 532187292 532192870 187292 532187281 21546238 21546299 Mower Mandrel Spindle

What It Is

This is a replacement spindle assembly (also called a mandrel) that drives the mower blade on a lawn tractor. It’s designed for many popular 42-inch and 48-inch deck models from Husqvarna, Ariens, Craftsman, Poulan, Jonsered, and Murray.

Fitment & Compatibility

Before buying, confirm your deck size (typically 42” or 48”) and your mower’s brand/model. This spindle replaces OEM part numbers 532187292, 532192870, 187292, 532187281, 21546238, and 21546299. It fits most Craftsman, Husqvarna, Poulan, Jonsered, and Murray tractors with a 42” or 48” stamped steel deck that uses two-hole spindle mounting (holes spaced 3-1/2” center-to-center). Measure your old spindle’s shaft diameter (usually 5/8”) and overall height (roughly 4.5”). If your deck uses a three-hole pattern or a different shaft size, this won’t work.

Key Things to Know

• Quality: Aftermarket part, but rated 4.7/5. Most users report it’s as durable as OEM for residential use. May not hold up as long on commercial-grade mowing.
• Installation difficulty: Moderate. You’ll need a socket set, a jack to lift the mower, and possibly a puller to remove the old spindle. Expect 30–60 minutes per spindle.
• Common gotchas: The included bearings are pre-greased but not sealed—apply extra grease before installation. The spindle may come with a different pulley bolt size than your old one; keep your original pulley if it fits.
• Check deck thickness: If your deck is thicker than 0.125”, you may need to grind down the mounting boss slightly for a flush fit.

Should You Buy It

If you need a reliable, budget-friendly replacement for a worn-out spindle on a residential Husqvarna, Craftsman, or similar tractor with a 42” or 48” deck, this is a solid choice. It’s not for heavy commercial use, but for home lawn care it offers OEM-level performance at a fraction of the price.